Sea Fan Coral - intricate patterns in nature;

using rope, glue and crystallized urea, japanese artist yasuaki onishi has used his trademark materials, mediums and applications in the creation of an immersive sculptural installation, 'vertical emptiness'.

Giorgio Cecchinato - mixture of mediums works really well

For his first solo exhibition, Danish-Icelandic artist Olafur Eliasson has filled an entire wing of Denmark's Louisiana Museum of Modern Art with a landscape of stones meant to emulate a riverbed (+ slideshow).